Minnesota Geospatial Image Service: Technical Specifications

MnGeo’s Geospatial Image Service has the following technical specifications. New to Web Map Services? See How to Use a WMS.

Note: For the best user experience, please connect to the image service with up-to-date web browsers. If using the image service in an application please use up-to-date connection protocols (TLS 1.2 and above).

UTM Zone 15 Coordinates

Digital orthophotography and hillshade

  • Request URL prefix: https://imageserver.gisdata.mn.gov/cgi-bin/wms?
  • GetCapabilities request statement: https://imageserver.gisdata.mn.gov/cgi-bin/wms?VERSION=1.3.0&SERVICE=WMS&REQUEST=GetCapabilities
  • Projection: UTM Zone 15 – NAD 83 (EPSG:26915)

Scanned USGS gradrangles (topographic maps), 1949-1994 vintage

  • Request URL prefix: https://imageserver.gisdata.mn.gov/cgi-bin/wmsz?
  • GetCapabilities request statement: https://imageserver.gisdata.mn.gov/cgi-bin/wmsz?VERSION=1.3.0&SERVICE=WMS&REQUEST=GetCapabilities
  • Projection: UTM Zone 15 – NAD 83 (EPSG:26915)

Geographic (Latitude/Longitude), Web Mercator and UTM Zones 14 and 15 Coordinates

Digital orthophotography and hillshade

  • Request URL prefix: https://imageserver.gisdata.mn.gov/cgi-bin/wmsll?
  • GetCapabilities request statement: https://imageserver.gisdata.mn.gov/cgi-bin/wmsll?VERSION=1.3.0&SERVICE=WMS&REQUEST=GetCapabilities
  • Projection:
    • Geographic – WGS84 (EPSG:4326)
    • Web Mercator – WGS84 (EPSG:3857)
    • UTM Zone 14 – NAD 83 (EPSG:26914)
    • UTM Zone 15 – NAD 83 (EPSG:26915)

Scanned USGS quadrangles (topographic maps), 1949-1994 vintage

  • Request URL prefix: https://imageserver.gisdata.mn.gov/cgi-bin/wmszll?
  • GetCapabilities request statement: https://imageserver.gisdata.mn.gov/cgi-bin/wmszll?VERSION=1.3.0&SERVICE=WMS&REQUEST=GetCapabilities
  • Projection:
    • Geographic – WGS84 (EPSG:4326)
    • Web Mercator – WGS84 (EPSG:3857)
    • UTM Zone 14 – NAD 83 (EPSG:26914)
    • UTM Zone 15 – NAD 83 (EPSG:26915)

Format (MIME Type) of Images Returned

  • Digital orthophotography:  jpeg
  • Scanned USGS quadrangles (DRGs):  png

WMS Compliance

WMS protocol standards are developed by the Open GIS Consortium (OGC).
  • Versions supported: 1.1.1; 1.3.0
  • Request Types supported: GetMap; GetCapabilities
  • Request Types not supported: GetFeatureInfo